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Va rog faceti ex2 e,f,g si h!

Va Rog Faceti Ex2 Efg Si H class=

Răspuns :

e. -3x=3.12*4, -3x=12.48, x=-12.48:3=-4.16
f. 2.5x=1.8+7.2, x=9:2.5=3.6
g. (2x3+1)x/3=1.2-0.08, 7x/3=1.12, x=3x1.12/7=0.48
h. -(5x5+3)x/5=-53-0.48, -28x/5=-53.48, x=9.55